CN218168649U - Argon gas safety cover that steel pouring was used - Google Patents

Abstract

The utility model discloses an argon gas safety cover that steel pouring was used, including the safety cover body, the internally mounted of safety cover body has the division wall, the inside movable mounting of division wall has tungsten wire, the inside of safety cover body is equipped with the cavity, and the cavity is located between safety cover body and the division wall, the through-hole has been seted up to the inboard running through of division wall, the recess of symmetry is seted up at the top of division wall, the inside movable mounting of recess has the fixture block, the fixture block is connected with tungsten wire, one side of safety cover body is run through and is installed the intake pipe, the utility model discloses an install tungsten wire, can prevent effectively that the through-hole from being blockked up by the molten steel that splashes, guarantee the normal letting in of argon gas, tungsten wire material is metal tungsten, tolerates the high temperature of three thousand many degrees, even the molten steel adsorbs on tungsten wire, tungsten wire can not melt yet, and the device has higher life and work efficiency, provides very big convenience for operating personnel.

Description

Argon gas safety cover that steel pouring was used

Technical Field

The utility model relates to an argon gas safety cover technical field specifically is an argon gas safety cover that steel pouring was used.

Background

In the die casting process, steel ingot pouring is an important production link, but in the pouring process, when molten steel is poured into a tundish from a water outlet of a refining ladle, because the flow rate is high, the temperature is high, the pouring time is long, and the contact area of injection flow and ambient air is large, a large amount of air is involved into the molten steel, so that a large amount of secondary oxide inclusions are generated by the reaction of the molten steel and oxygen in the air, the product quality is greatly influenced, in order to avoid oxidation during pouring, argon is often introduced into an argon protection cover, so that oxygen is isolated during pouring, but in actual use, the method is discovered, when air is isolated, a vent hole in the argon protection cover is often blocked, the device cannot be normally used, the service life is greatly reduced, great inconvenience is brought to operators, and the product quality is also influenced.

The argon protection cover in the prior art has the following defects:

patent documents: CN208857348U discloses an argon gas protection cover, which comprises two cover bodies with semicircular sections, wherein the two cover bodies are detachably connected into a whole with openings at two ends through a connecting device; a sealing gasket is arranged between the contact surfaces of the two cover bodies; the edge of the side wall of one cover body is provided with a female end of the connecting device, the side wall of the other cover body is provided with a male end of the connecting device, and the male end is connected with the female end; at least two through holes which are uniformly distributed and communicated with the outside are arranged on the wall of each cover body. The utility model discloses a semicircular cover body is detained, has saved installation space, and the design of the sealed hoop of second can make things convenient for operating personnel's construction installation simultaneously ".

However, above-mentioned publication's main consideration is when the device is installed, and the semicircular cover body is detained and can be saved installation space, and the sealed hoop of second makes things convenient for the staff installation, operates very convenient problem, and traditional device lets in argon gas when the pouring, does not consider to the blow vent prevent blockking up protection facility, leads to the blow vent of device to take place often to block up, and the unable normal use of device, greatly reduced life has brought a great deal of inconvenience for operating personnel, has also influenced product quality.

In view of this, it is necessary to develop an argon gas protection cover for steel casting, so that the vent is not easily blocked when the device is used, the service life is further prolonged, and convenience is provided for workers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an argon gas safety cover of steel pouring usefulness to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an argon protection cover for steel pouring comprises a protection cover body, wherein a partition wall is arranged inside the protection cover body, and a tungsten wire mesh is movably arranged inside the partition wall;

the safety cover comprises a safety cover body and is characterized in that a cavity is arranged inside the safety cover body and is located between the safety cover body and a partition wall, a through hole is formed in the inner side of the partition wall in a penetrating mode, symmetrical grooves are formed in the top of the partition wall, clamping blocks are movably arranged inside the grooves and are connected with a tungsten wire mesh, and an air inlet pipe is formed in one side of the safety cover body in a penetrating mode.

Preferably, a first connecting pipe is movably mounted at the top of the partition wall, first threads are arranged on the inner wall of the first connecting pipe, a second connecting pipe is movably mounted at the bottom of the partition wall, and second threads are arranged on the inner wall of the second connecting pipe.

Preferably, the top and the bottom of the partition wall are movably provided with a first sealing hoop, the first sealing hoop is positioned on the outer sides of the first connecting pipe and the second connecting pipe, the inner wall of the first sealing hoop is provided with a first sealing ring, the first sealing ring is in contact with the partition wall, the first connecting pipe and the second connecting pipe, and two sides of the first sealing hoop are provided with first connecting plates.

Preferably, the top and the bottom of the partition wall are movably provided with a second sealing hoop, the second sealing hoop is positioned on the back face of the first sealing hoop, the inner wall of the second sealing hoop is provided with a second sealing ring, the second sealing ring is in contact with the partition wall, the first connecting pipe and the second connecting pipe, the two sides of the second sealing hoop are provided with second connecting plates, and the second connecting plates are in contact with the first connecting plates.

Preferably, the front surface of the first connecting plate is provided with a bolt in a penetrating mode, one end of the bolt is movably provided with a fixing nut, and the fixing nut is in contact with the second connecting plate.

Preferably, first gas-supply pipe is installed to the input of intake pipe, and the deoxidation pipe is installed to the input of first gas-supply pipe, and the second gas-supply pipe is installed to the input of deoxidation pipe, and the inside packing of deoxidation pipe has solid sodium hydroxide, and the internally mounted of deoxidation pipe has the filter screen, and the filter screen is located the both sides of solid sodium hydroxide.

Preferably, the outer sides of the first air conveying pipe and the second air conveying pipe are both provided with a fixing sleeve, and the top of the fixing sleeve is provided with a regulating valve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an install tungsten wire mesh, during the pouring, the argon gas is discharged into in the cavity through the intake pipe, the inside of bulkhead is diffused by the through-hole again, homogeneity when the argon gas diffusion is guaranteed to the through-hole, the bulkhead is for separating the temperature material, can play fine temperature effect that separates, when the molten steel takes place when splashing in the pouring process, tungsten wire mesh can prevent effectively that the through-hole from being blockked up by the molten steel that splashes, guarantee the normal letting in of argon gas, tungsten wire mesh material is metal tungsten, tolerate the high temperature of three thousand many degrees, even the molten steel adsorbs on the tungsten wire mesh, tungsten wire mesh can not melt yet, operating personnel can dismantle it and get off the molten steel that will solidify after using a period and cross the fire clearance, the life of device further improves, and the work efficiency is greatly improved, for operating personnel provides very big convenient.

2. The utility model discloses an install deoxidation pipe, let in the in-process at argon gas, the solid sodium hydroxide of deoxidation pipe inside packing can with the abundant reaction of oxygen, effectually prevented to carry external oxygen when argon gas lets in and enter into inside the device, the gas environment standard when the molten steel pouring has been improved greatly, the quality of product has also obtained great promotion, the velocity of flow size when the governing valve of deoxidation pipe both ends installation not only can adjust argon gas and let in, and when the device does not use, can effectively prevent solid sodium hydroxide and air reaction through screwing up the governing valve, can not cause the waste of solid sodium hydroxide.

Drawings

FIG. 1 is a perspective view of the whole device of the present invention;

FIG. 2 is an exploded view of the whole device of the present invention;

FIG. 3 is a schematic structural view of a tungsten wire mesh according to the present invention;

FIG. 4 is a schematic view of the through hole structure of the present invention;

fig. 5 is a schematic view of the deoxidation pipe structure of the present invention.

In the figure: 1. a protective cover body; 101. a cavity; 102. a partition wall; 103. a through hole; 104. a groove; 105. a clamping block; 106. a tungsten wire mesh; 107. an air inlet pipe; 2. a first adapter tube; 201. a first thread; 202. a second adapter tube; 203. a second thread; 3. a first sealing cuff; 301. a first seal ring; 302. a first connecting plate; 4. a second sealing cuff; 401. a second seal ring; 402. a second connecting plate; 5. a bolt; 501. fixing a nut; 6. a deoxygenation tube; 601. solid sodium hydroxide; 602. a filter screen; 603. a first gas delivery pipe; 604. a second gas delivery pipe; 605. a fixed sleeve; 606. and adjusting the valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 2, 3 and 4, an argon shield for steel casting;

the device comprises a protection cover body 1 and a tungsten wire mesh 106, wherein a partition wall 102 is arranged inside the protection cover body 1, the tungsten wire mesh 106 is movably arranged inside the partition wall 102, a cavity 101 is arranged inside the protection cover body 1, the cavity 101 is positioned between the protection cover body 1 and the partition wall 102, a through hole 103 is formed in the inner side of the partition wall 102 in a penetrating manner, symmetrical grooves 104 are formed in the top of the partition wall 102, clamping blocks 105 are movably arranged inside the grooves 104, the clamping blocks 105 are connected with the tungsten wire mesh 106, an air inlet pipe 107 is arranged on one side of the protection cover body 1 in a penetrating manner, when the device is used, the protection cover body 1 is a main structure of the device and is used for providing installation positions for other structures, the stability of the device is ensured, and during pouring, argon is discharged into the cavity 101 through the air inlet pipe 107, the inside of division wall 102 is diffused by through-hole 103 again, homogeneity when argon gas diffusion is guaranteed to through-hole 103, division wall 102 is for separating the temperature material, can play fine temperature effect that separates, fixture block 105 has realized nimble dismantlement installation with tungsten wire 106 cooperation use, when the molten steel takes place to splash in the pouring process, tungsten wire 106 can prevent effectively that through-hole 103 from being blockked up by the molten steel that splashes, guarantee the normal letting in of argon gas, tungsten wire 106 material is metal tungsten, tolerate the high temperature of three thousand degrees, even the molten steel adsorbs on tungsten wire 106, tungsten wire 106 can not melt yet, operating personnel can dismantle its molten steel that will solidify and clear up the fire after using a period, the life of device further improves, work efficiency is greatly improved, provide very big convenience for operating personnel.

Referring to fig. 1 and 5, an argon shield for steel casting;

including deoxidation pipe 6, first gas-supply pipe 603 is installed to the input of intake pipe 107, deoxidation pipe 6 is installed to the input of first gas-supply pipe 603, second gas-supply pipe 604 is installed to the input of deoxidation pipe 6, the inside packing of deoxidation pipe 6 has solid sodium hydroxide 601, the internally mounted of deoxidation pipe 6 has filter screen 602, and filter screen 602 is located the both sides of solid sodium hydroxide 601, fixed sleeve 605 is all installed in the outside of first gas-supply pipe 603 and second gas-supply pipe 604, governing valve 606 is installed at the top of fixed sleeve 605, in the argon gas lets in the in-process, at first arrive in deoxidation pipe 6 through second gas-supply pipe 604, solid sodium hydroxide 601 that deoxidation pipe 6 internally filled can be with the abundant reaction of oxygen, the effectual outside oxygen that has been prevented to carry when argon gas lets in gets into inside the device, further stopped the existence of the inside oxygen of device, the gaseous environment standard when having improved greatly, the quality of product has also obtained great promotion, governing valve 606 of installing at deoxidation pipe 6 both ends not only can adjust the flow velocity when argon gas passes through, and when the device does not make use, can prevent effectively through screwing up governing valve 606 and react with solid sodium hydroxide 601, can prevent the extravagant reaction.

Referring to fig. 2, an argon shield for steel casting;

comprises a protective cover body 1, a first connecting pipe 2 is movably arranged at the top of a partition wall 102, first threads 201 are arranged on the inner wall of the first connecting pipe 2, a second connecting pipe 202 is movably arranged at the bottom of the partition wall 102, second threads 203 are arranged on the inner wall of the second connecting pipe 202, first sealing hoops 3 are movably arranged at the top and the bottom of the partition wall 102 respectively, the first sealing hoops 3 are positioned at the outer sides of the first connecting pipe 2 and the second connecting pipe 202, first sealing rings 301 are arranged on the inner wall of the first sealing hoops 3, the first sealing rings 301 are in contact with the partition wall 102, the first connecting pipe 2 and the second connecting pipe 202, first connecting plates 302 are arranged at two sides of the first sealing hoops 3, second sealing hoops 4 are movably arranged at the top and the bottom of the partition wall 102 respectively, the second sealing hoops 4 are positioned at the back of the first sealing hoops 3, and second sealing rings 401 are arranged on the inner wall of the second sealing hoops 4, the second sealing ring 401 is in contact with the partition wall 102, the first connecting pipe 2 and the second connecting pipe 202, the second connecting plates 402 are mounted on two sides of the second sealing hoop 4, the second connecting plates 402 are in contact with the first connecting plates 302, the bolts 5 are mounted on the front face of the first connecting plates 302 in a penetrating manner, the fixing nuts 501 are movably mounted at one ends of the bolts 5, the fixing nuts 501 are in contact with the second connecting plates 402, the first connecting pipe 2 and the second connecting pipe 202 are respectively connected with an external pipeline, the first threads 201 and the second threads 203 ensure the sealing performance when the external pipeline is mounted, the first sealing hoop 3 and the second sealing hoop 4 are connected together through the first connecting plates 302 and the second connecting plates 402 to form a circular sealing hoop, the first sealing ring 301 and the second sealing ring 401 can effectively ensure the sealing performance at the connection position, and the first sealing hoop 3 and the second sealing hoop 4 are further reinforced through the bolts 5 and the fixing nuts 501, preventing air from entering.

The working principle is as follows: in argon gas lets in the in-process, the inside solid sodium hydroxide 601 of filling of deoxidation pipe 6 can with the abundant reaction of oxygen, the effectual external oxygen that has prevented to carry when argon gas lets in enters into the device inside, the velocity of flow size when the governing valve 606 of 6 both ends installations at deoxidation pipe not only can adjust argon gas and lead to, and when the device does not use, can effectively prevent solid sodium hydroxide 601 and air reaction through screwing up governing valve 606, can not cause solid sodium hydroxide 601's waste, argon gas is diffused to the inside of division wall 102 by through-hole 103, when the molten steel takes place to splash in the pouring process, tungsten silk screen 106 can effectively prevent that through-hole 103 from being blockked up by the molten steel that splashes, guarantee the normal of argon gas and let in.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides an argon gas safety cover of steel pouring usefulness, includes safety cover body (1), its characterized in that: a partition wall (102) is arranged in the protective cover body (1), and a tungsten wire mesh (106) is movably arranged in the partition wall (102);

the utility model discloses a safety protection cover, including safety protection cover body (1), the inside of safety protection cover body (1) is equipped with cavity (101), and cavity (101) are located between safety protection cover body (1) and division wall (102), through-hole (103) have been seted up in the inboard of division wall (102) through running through, symmetrical recess (104) have been seted up at the top of division wall (102), the inside movable mounting of recess (104) has fixture block (105), fixture block (105) are connected with tungsten filament net (106), one side of safety protection cover body (1) is run through and is installed intake pipe (107).

2. The argon shield for steel casting of claim 1, wherein: the top of the isolation wall (102) is movably provided with a first connection pipe (2), the inner wall of the first connection pipe (2) is provided with first threads (201), the bottom of the isolation wall (102) is movably provided with a second connection pipe (202), and the inner wall of the second connection pipe (202) is provided with second threads (203).

3. A protective shield for argon gas for steel casting according to claim 2, wherein: the top and the bottom of partition wall (102) all have first sealed hoop (3) movably mounted, and first sealed hoop (3) are located the outside of first linking pipe (2) and second linking pipe (202), and first sealing washer (301) are installed to the inner wall of first sealed hoop (3), and first sealing washer (301) contact with partition wall (102), first linking pipe (2) and second linking pipe (202), and first connecting plate (302) are installed to the both sides of first sealed hoop (3).

4. A shield for argon gas for steel casting according to claim 3, wherein: the top and the bottom of partition wall (102) all have second sealed hoop (4) movably mounted, and second sealed hoop (4) are located the back of first sealed hoop (3), and second sealing washer (401) are installed to the inner wall of second sealed hoop (4), and second sealing washer (401) contact with partition wall (102), first linking pipe (2) and second linking pipe (202), and second connecting plate (402) are installed to the both sides of second sealed hoop (4), and second connecting plate (402) contact with first connecting plate (302).

5. The argon shield for steel casting of claim 4, wherein: the front surface of the first connecting plate (302) is provided with a bolt (5) in a penetrating mode, one end of the bolt (5) is movably provided with a fixing nut (501), and the fixing nut (501) is in contact with the second connecting plate (402).

6. A shield for argon gas for steel casting according to claim 5, wherein: first gas-supply pipe (603) are installed to the input of intake pipe (107), and deoxidation pipe (6) are installed to the input of first gas-supply pipe (603), and second gas-supply pipe (604) are installed to the input of deoxidation pipe (6), and the inside packing of deoxidation pipe (6) has solid sodium hydroxide (601), and the internally mounted of deoxidation pipe (6) has filter screen (602), and filter screen (602) are located the both sides of solid sodium hydroxide (601).

7. The argon shield for steel casting of claim 6, wherein: fixed sleeve (605) are all installed to the outside of first gas-supply pipe (603) and second gas-supply pipe (604), and governing valve (606) are installed to the top of fixed sleeve (605).

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